CVE-2017-6884
Zyxel EMG2926 Routers Command Injection Vulnerability
Zyxel EMG2926 RoutersNetwork & edge
CVSS
8.8HighExploit odds (EPSS)33.0%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 2 Apr 2017Exploit code publicExploit-DB
- 6 Apr 2017, 17:00 UTCPublishedCVE List
- 18 Sep 2023Added to CISA KEVCISA KEV
Public exploit code and templates 1
- Webapps exploitZyxel_ EMG2926 < V1.00(AAQT.4)b8 - OS Command Injection 2 Apr 2017Exploit-DB
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Zyxel EMG2926 routers contain a command injection vulnerability located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute malicious commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.
Text from CVE List
Affected versions 1
- n/aaffected: n/aCVE List
References 4
- zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerability-in-emg2926-q10a-ethernet-cpe, https://www.zyxelguard.com/Zyxel-EOL.aspAdvisoryvia CISA KEV
- exploit-db.com/exploits/41782/Exploitvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2017-6884Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884Referencevia CVE List